High Valley Water Co, UT
Lead detected, under the action levels
Latest 90th-percentile lead: 4.1 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About High Valley Water Co
High Valley Water Co serves about 850 people through 248 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws surface water, in Summit County, Utah. EPA system ID: UTAH22021; phone on file: 435-645-8415. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 2.3 ppb from 1.8 ppb in the period ending 2016. The highest 90th-percentile result EPA holds for High Valley Water Co is 4.1 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.1 ppb |
| 2016 | 1.8 ppb |
Where this result ranks
Of the 521 Utah systems with a lead result, the median latest reading is 1.71 ppb; 8 are over 15 ppb right now and 27 have gone over at some point. High Valley Water Co's 4.1 ppb sits at the 84th percentile in Utah and the 88th nationally (higher means more lead).
Nearby utilities
26 other systems share Summit County; 4 of them have a higher latest lead result than High Valley Water Co. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Park City Water System | 8,875 | 1.9 ppb |
| Mountain Regional Water Ssd | 8,245 | 4.5 ppb |
| Summit Water Distribution Company | 6,000 | 3.8 ppb |
| Gorgoza Mutual Water Co | 4,326 | 8.2 ppb |
| Kamas City Water System | 2,200 | 2 ppb |
| Oakley Town Water System | 1,800 | 1 ppb |
| Francis Town Water System | 1,700 | 2.5 ppb |
| Coalville City Water System | 1,590 | 2.1 ppb |
| Pine Meadow Mutual Water | 1,251 | 3.7 ppb |
| Summit County Service Area #3 | 1,140 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Park City, UT may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask High Valley Water Co whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.